Alvarez, Javier Marcos; de la Parra Laita, Iñigo; Marroyo Palomo, Luis; Pigueiras, Eduardo Lorenzo; Garcia Solano, Miguel: 'Grid integration of large-scale PV plants: dealing with power fluctuations' (Energy Engineering, 2017), 'Large Scale Grid Integration of Renewable Energy Sources', Chap. 5, pp. 131-170, DOI: 10.1049/PBPO098E_ch5
IET Digital Library, https://digital-library.theiet.org/;jsessionid=lk48n0eme3ho.x-iet-live-01content/books/10.1049/pbpo098e_ch5